DEROFF(1) NetBSD General Commands Manual DEROFF(1)
deroff -- remove nroff/troff, eqn, pic and tbl constructs
deroff [-ikpw] [-m a | e | l | m | s] [file ...]
deroff reads each file in sequence and removes all nroff(1) and troff(1) command lines, backslash constructions, macro definitions, eqn(1) con- structs (between ``.EQ'' and ``.EN'' lines or between delimiters), pic(1) pictures, and table descriptions and writes the remainder to the standard output. deroff follows chains of included files (``.so'' and ``.nx'' commands); if a file has already been included, a ``.so'' is ignored and a ``.nx'' terminates execution. If no input file is given, deroff reads from the standard input. The options are as follows: -i Ignore ``.so'' and ``.nx'' commands. -k Keep blocks of text intact. This is the default behavior unless the -m option is given. -m Enable support for common macro packages. The -m option takes the following arguments: a recognize man(7) macros. e recognize me(7) macros. l remove list constructs. m recognize mm(7) macros. s recognize ms(7) macros. -p Preserve paragraph macros. This option only has an effect if the -m option is also specified. -w Output a word list, one `word' (string of letters, digits, and apostrophes, beginning with a letter; apostrophes are removed) per line, and all other characters ignored. Normally, the output follows the original, with the deletions mentioned above.
eqn(1), nroff(1), pic(1), tbl(1), troff(1)
deroff appeared in Version 7 AT&T UNIX.
deroff is not a complete troff(1) interpreter, so it can be confused by subtle constructs. Most errors result in too much rather than too little output. The -ml option does not correctly handle nested lists. NetBSD 9.0 June 6, 1993 NetBSD 9.0
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